Disassembly of the brush vacuum cleaner Xiaomi: instructions with photos, tools and life hacks for all models

Xiaomi's robot vacuum brush is one of the most vulnerable elements, requiring regular cleaning and sometimes repair, and over time, dust, hair and debris are stuffed into the mechanism, leading to reduced cleaning efficiency, increased noise or even breakdown. 10-15 Many users are afraid of damaging plastic latches or losing small parts.

In this article, we will discuss in detail the process of disassembling the main rotating brush (roller-brush) for popular models Xiaomi Mi Robot, Dreame and Viomi (including the series). S5/S6/S7, D9/D10, V2/V3). You'll learn what tools you'll need, how to avoid common mistakes, and what to do if the brush doesn't turn after assembly. And for those of you who have never repaired machinery, we've prepared a section to answer frequent questions.

We warn you right away: Xiaomi’s brush design has changed since 2018, such as the Mi Robot models. V1 metal axes were used, and S6 MaxV is a plastic fast-removable mount, and we've taken all the nuances into account and put together a universal instruction manual that will fit 90% of the brand's devices.

What tools will be needed to disassemble

Xiaomi doesn't need professional tools to disassemble a brush, just what you'll find in every home, and the rule of thumb is, don't use metal screwdrivers or knives to scratch the plastic and break the latches.

• 🔧 Plastic blade (or mediator) - for careful putting of covers.
• ✂️ Manicure scissors – to cut off coiled hair or threads.
• 🧲 Magnetic screwdriver (cross, size) PH0 or PH1) — for screws in some models.
• 🧴 Alcohol wipes - for cleaning contacts and axles.
• 📦 Container for small parts - so as not to lose springs or gears.

If you have a model with a quick brush (for example, Dreame). D10 Plus, it's just a spatula and scissors. For the old versions. -Mi Robot V1) may require torx T5 side-screw.

Step-by-step: how to remove a brush from a vacuum cleaner

Before you disassemble the brush, you have to remove it from the vacuum cleaner properly, and depending on the model, the process may be slightly different, but the overall algorithm is the same.

Disconnect the vacuum cleaner from the charging station

Turn the device upside down.

Make sure the battery is not discharged (otherwise the brush may get blocked)

Prepare a clean surface (for example, a table with a fabric substrate)-->

For models with latches (Mi Robot) S5/S6, Viomi V2):

1. Press the red button on the side of the brush (or pull the lever if there is one).
2. Carefully pull the brush from the grooves, slightly swaying it left-right.
3. If the brush does not respond, check if it is jammed because of the wound hair.

For models with screws (Dreame) D9, Older versions of the Mi Robot):

1. Unscrew 2 screws from the ends of the brush (usually under the cross screwdriver).
2. Remove the lid by pulling it on you.
3. Remove the brush with the axle.

⚠️ Note: In some models (Xiaomi Mi Robot) 1S) The brush is not only fixed by the latches, but also by the magnetic attachment. If it's not removed, check if it's stuck to the metal plate inside the body.

Disassembly of the brush: step-by-step analysis with a photo

Now, to the most critical step, the disassembly of the brush, we'll look at a generic method that works for most Xiaomi models, and if your brush looks different, see the compatibility table at the end of the article.

Step 1: Removal of side covers

Put your brush on the table with your bristles up. On either side you'll see plastic caps with latches. Take a plastic blade and gently tuck the lid off the end as you move around. Don't force -- the latches should come out with a click.

Step 2: Removal of the axis and gears

After removing the covers, you will see:

• 🔄 Central axis (metal or plastic).
• ⚙️ Cogs (in some models there are two of them - large and small).
• 🧲 Magnets (in brushes with automatic fastening).

Take it out carefully, pull it up, and if it doesn't, spin it counterclockwise a little bit.

Step 3: Cleaning and inspection of details

We can now begin cleaning:

• 🧹 Remove hair and debris from the bristles (use scissors or tweezers).
• 💧 Wash your axle and gears with an alcohol solution (do not use water!).
• 🔍 Check if there are cracks in plastic parts (especially on latches).

💡

If the gears are covered with thick lubrication, don't remove it completely, it's factory lubricant, just remove the contaminants and add a drop of silicone lubricant to the plastic.

Step 4: Reverse assembly

Collect the brush in reverse order:

1. Place the axle in place, making sure it's in the grooves.
2. Put on your sleeves (if you have them).
3. Close the side covers, starting from the side where the latches are located.
4. Check if the brush rotates freely (it should spin without jamming).

⚠️ Warning: If the brush doesn't rotate or creak after assembly, you've got the gears wrong or you've skewed the axle. Take it apart and check the alignment of the parts.

Frequent problems and how to avoid them

Even with careful disassembly, users often encounter common mistakes, and we've collected the most common ones and the ways to solve them.

Critical information: In the brushes of Xiaomi Mi Robot models S7 dreame D10 Pro uses an electronic rev sensor that can go off by mistake if the brush is assembled incorrectly. If the vacuum cleaner refuses to work after assembly, check if you have mistook the polarity of the contacts on the axis.

How often should you clean and clean your brush?

The regularity of cleaning depends on the intensity of the vacuum cleaner use and the type of contamination.

• 🐕 Domestic animals: once in a while 1-2 Weeks (the coat is quickly wound on the axis).
• 👨‍👩‍👧‍👦 Families with children: once in a while 3-4 Weeks (crumbs, threads, small garbage).
• 🏡 Offices/Little Dust Rooms: Once in a Time 2-3 month.
• 🌿 Allergies/asthmatics: weekly (to prevent dust buildup).

If the vacuum cleaner starts to buzz louder than usual or does not collect garbage, this is a clear signal that it is time to clean the brush. V3) There is a function of auto-cleaning the brush, but it removes only surface contaminants, and the hair and dust inside the mechanism remain.

Compatibility: Which brushes are suitable for your model

Xiaomi vacuum cleaners are often interchangeable, but there are nuances. Below is the compatibility table for popular models. If your model is not on the list, check the article of the brush (usually listed on its body).

If you lose the original brush, you can buy a universal replacement from third-party manufacturers (for example, Baseus or Xiaomi Eco-System).

💡

Before buying a new brush, be sure to check its length and type of attachment with the original. S5 2 cm shorter than the Dreame D10, and not suitable for replacement.

What to do if the brush breaks: repair or replacement?

If you find cracks in the body, broken gears, or a worn axis, after you've been disassembled, the question is: should you fix or buy a new brush?

• ✅ Repair makes sense if: Only one plastic latch is broken (you can glue it with superglue); only the bristles are worn out (you can buy a replacement separately); the problem is the contamination of the gears (cleaning is enough).
• ❌ It's better to replace the brush if: Broken axle or bearing. Broken body of brush (may damage vacuum cleaner) electronic sensor (in models with reverse control).

The cost of a new brush for Xiaomi varies from 800 to 2500 rubles depending on the model. D10 Plus will cost you in ~1800 rubles, and a universal replacement from Baseus - 1200 rubles.If you decide to repair, here's what you can do:

• 🔧 Bristles replacement: Buy a ribbon-bristles (sold in square footage) and glue it to a double-sided scotch.
• 🧩 Latch Repair: Use epoxy glue or Loctite plastic glue.
• ⚙️ Replace gears: Find a similar size in the radio parts store.

FAQ: Answers to Frequent Questions